/*
 * systrace - Should be a tool to analyze system call traces but can be used
 *            to analyze sequences of generic strings
 *
 * Copyright (c) 2011 Matteo Cicuttin
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution.
 * 3. The name of the author may not be used to endorse or promote products
 * derived from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include "BlockAllFilter.h"

BlockAllFilter::BlockAllFilter()
{
	set_module_name("blockall");
}

BlockAllFilter::BlockAllFilter(AbstractStreamer *as)
{
	set_module_name("blockall");
	_prevstreamer = as;
}

bool
BlockAllFilter::has_data(void)
{
	if (!enabled())
		return _prevstreamer->has_data();
	
	return _prevstreamer->has_data();
}

string
BlockAllFilter::get_sample(void)
{
	if (!enabled())
		return _prevstreamer->get_sample();
	
	string s = _prevstreamer->get_sample();
	
	if (s == "write")
		return string("etirw");
	
	return s;
}